CTICasesMetastatic Renal Cell Carcinoma of the Scapula and Bilateral Elastofibroma Dorsi
▶ Watch on YouTube — age-restricted, cannot embed here
Imaging findings
Chest CT shows bilateral, well-defined, mixed fatty and soft-tissue attenuation masses in the infrascapular regions, classic for elastofibroma dorsi. Additionally, there is a large, highly vascular, heterogeneously enhancing destructive lytic lesion of the right scapula. Contrast-enhanced CT confirms a recurrence in the right nephrectomy bed and marked dilation of the right subclavian vein, indicating high-flow arteriovenous shunting from the hypervascular scapular metastasis.
Key takeaways
Elastofibroma dorsi is a benign, often bilateral, pseudotumor typically located between the lower scapula and chest wall, which should not be confused with malignant lesions. Highly vascular, destructive lytic bone metastases should prompt consideration of renal cell carcinoma (RCC), which can demonstrate substantial tumor-associated arteriovenous shunting and present as bone metastases in up to a third of patients.
AI-assisted summary — may contain errors. Verify against the source video. Learn more
More from this webinar
- Patent Ductus Arteriosus (PDA) and Necrotizing Enterocolitis (NEC)Congenital
- 180-Degree Flip of a Defibrillator along the Long AxisIatrogenic
- Daptomycin-Induced Pulmonary ToxicityILD
- Strongyloides Hyperinfection SyndromeInfection
- Polymyositis-Associated Interstitial Lung Disease (NSIP / Organizing Pneumonia Overlap)ILD
- Cytomegalovirus (CMV) Pneumonia with Organizing PneumoniaInfection
- Typical Type A Acute Aortic DissectionVascular
- Type A Aortic Dissection with Retrograde Valve Prolapse and Intimal IntussusceptionVascular
See all cases from November 23, 2014 →
Related Neoplastic cases
- Diffuse Idiopathic Pulmonary Neuroendocrine Cell Hyperplasia (DIPNECH)
- Thymic Carcinoma with Pleural Recurrence
- Diffuse Pulmonary Adenocarcinoma with Cystic Changes
- Posterior Mediastinal Paraganglioma (Pediatric)
- Diffuse Adenocarcinoma in Scleroderma
- Recurrent Malignant Solitary Fibrous Tumor of the Pleura